Não informado. (1971). Kew Record of Taxonomic Literature Relating to Vascular Plants. Royal Botanic Gardens.
Chicago-viite (17. p.)Não informado. Kew Record of Taxonomic Literature Relating to Vascular Plants. London: Royal Botanic Gardens, 1971.
MLA-viite (8. p.)Não informado. Kew Record of Taxonomic Literature Relating to Vascular Plants. Royal Botanic Gardens, 1971.
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